74076649 has 4 divisors (see below), whose sum is σ = 77975440. Its totient is φ = 70177860.

The previous prime is 74076601. The next prime is 74076661. The reversal of 74076649 is 94667047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74076649 - 2¹⁵ = 74043881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74076689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1949367 + ... + 1949404.

It is an arithmetic number, because the mean of its divisors is an integer number (19493860).

Almost surely, 2^74076649 is an apocalyptic number.

It is an amenable number.

74076649 is a deficient number, since it is larger than the sum of its proper divisors (3898791).

74076649 is a wasteful number, since it uses less digits than its factorization.

74076649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898790.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 74076649 is about 8606.7792466172. The cubic root of 74076649 is about 419.9785495470.

The spelling of 74076649 in words is "seventy-four million, seventy-six thousand, six hundred forty-nine".